Downloads

Document ID: 20325

[an error occurred while processing this directive]

Description of the Release

X Release:
Cisco IOS® Software Release 12.1(5)YB is an X release optimized for 805/820/2600/3620/3640/3660/1700 platforms. This release is based upon 12.1(5)T. Cisco 1751 is a derivative product of the Cisco 1750 Modular Access Router, which can support both analog and digital voice applications. Cisco 1751 will replace 1750.

Product and Feature Support

The Cisco IOS Software Release 12.1(5)YB will support the following images:

It is highly recommended that Release Notes are used to determine if a maintenance release should be used. Release Notes provide announcements of new features and a summary of known caveats at the time of the renumber.